{"id":"CVE-2018-16888","state":"PUBLISHED","title":"It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field ","description":"It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.","publishedAt":"2019-01-14T22:00:00.000Z","updatedAt":"2024-08-05T10:39:58.066Z","severity":{"score":4.4,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","source":"redhat"},"assigner":"redhat","products":["The systemd Project systemd"],"affected":[{"vendor":"The systemd Project","product":"systemd","versions":[{"version":"v237","status":"affected"}]}],"references":["https://security.netapp.com/advisory/ntap-20190307-0007/","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888","https://access.redhat.com/errata/RHSA-2019:2091","https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74%40%3Cuser.cassandra.apache.org%3E","https://usn.ubuntu.com/4269-1/"],"weaknesses":["CWE-250"],"ingestedAt":"2026-10-29T19:44:25.237Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/16xxx/CVE-2018-16888.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-16888","state":"PUBLISHED","datePublished":"2019-01-14T22:00:00.000Z","dateUpdated":"2024-08-05T10:39:58.066Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2018-09-11T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable."}],"affected":[{"vendor":"The systemd Project","product":"systemd","versions":[{"version":"v237","status":"affected"}]}],"references":[{"url":"https://security.netapp.com/advisory/ntap-20190307-0007/","tags":["x_refsource_CONFIRM"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888","tags":["x_refsource_CONFIRM"]},{"url":"https://access.redhat.com/errata/RHSA-2019:2091","name":"RHSA-2019:2091","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74%40%3Cuser.cassandra.apache.org%3E","name":"[cassandra-user] 20190809 cassandra does not start with new systemd version","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://usn.ubuntu.com/4269-1/","name":"USN-4269-1","tags":["vendor-advisory","x_refsource_UBUNTU"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":4.4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-250","description":"CWE-250","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2020-02-14T01:06:08.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2017-08-17T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secalert@redhat.com","ID":"CVE-2018-16888","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"systemd","version":{"version_data":[{"version_value":"v237"}]}}]},"vendor_name":"The systemd Project"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable."}]},"impact":{"cvss":[[{"vectorString":"4.4/CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","version":"3.0"}]]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-250"}]}]},"references":{"reference_data":[{"name":"https://security.netapp.com/advisory/ntap-20190307-0007/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20190307-0007/"},{"name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888","refsource":"CONFIRM","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888"},{"name":"RHSA-2019:2091","refsource":"REDHAT","url":"https://access.redhat.com/errata/RHSA-2019:2091"},{"name":"[cassandra-user] 20190809 cassandra does not start with new systemd version","refsource":"MLIST","url":"https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74@%3Cuser.cassandra.apache.org%3E"},{"name":"USN-4269-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/4269-1/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security.netapp.com/advisory/ntap-20190307-0007/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2019:2091","name":"RHSA-2019:2091","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74%40%3Cuser.cassandra.apache.org%3E","name":"[cassandra-user] 20190809 cassandra does not start with new systemd version","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://usn.ubuntu.com/4269-1/","name":"USN-4269-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T10:39:58.066Z"}}]}}}